The System tab displays the current DirectX version, the computer's
hostname, the
operating system's version, information on the system
BIOS, and other data. The DirectX Files tab displays information about the versions of specific DirectX system
files, which are
portable executables or
dynamic-link libraries (DLLs). DirectX Diagnostic Tool displays information about the current display settings and the video hardware on the Display tab. If the computer has
more than one monitor, then DirectX Diagnostic Tool will display a separate tab for each monitor. This tab can disable
DirectDraw,
Direct3D, and/or
AGP Texture Acceleration for troubleshooting purposes. If the installed
display driver has passed
Windows Hardware Quality Labs testing, DirectX Diagnostic Tool will display this result on the right side of the window. The Music tab displays information about the computer's
MIDI settings, and lists different music-related
software and
hardware on your computer. The Input tab, displays information about input devices installed in the computer such as
keyboards and
mice. It will also attempt to detect problems with these devices. DirectX Diagnostic Tool also displays information about the installed
DirectPlay Service Provider. In
Windows XP Professional x64 Edition,
Windows Vista x64 edition,
Windows 7 x64 edition,
Windows 8 x64 edition and
Windows 10 x64 edition, two versions of DirectX Diagnostic Tool are included, a native 64-bit version and a 32-bit version. In Windows XP Professional x64 Edition, Windows Vista x64 edition and Windows 7 x64 edition, the 32-bit version of DirectX Diagnostic Tool is run by default. ==References==